/*
 * Copyright 2024 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package androidx.kruth

import kotlin.test.Test
import kotlin.test.assertFailsWith

class ClassSubjectTest {

    @Test
    fun testIsAssignableTo_same() {
        assertThat(String::class.java).isAssignableTo(String::class.java)
    }

    @Test
    fun testIsAssignableTo_parent() {
        assertThat(String::class.java).isAssignableTo(Any::class.java)
        assertThat(NullPointerException::class.java).isAssignableTo(Exception::class.java)
    }

    @Test
    fun testIsAssignableTo_reversed() {
        assertFailsWith<AssertionError> {
            assertThat(Any::class.java).isAssignableTo(String::class.java)
        }
    }

    @Test
    fun testIsAssignableTo_differentTypes() {
        assertFailsWith<AssertionError> {
            assertThat(String::class.java).isAssignableTo(Exception::class.java)
        }
    }
}
